| 1 | /*------------------------------------------------------------------------- |
| 2 | * |
| 3 | * indexfsm.h |
| 4 | * POSTGRES free space map for quickly finding an unused page in index |
| 5 | * |
| 6 | * |
| 7 | * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group |
| 8 | * Portions Copyright (c) 1994, Regents of the University of California |
| 9 | * |
| 10 | * src/include/storage/indexfsm.h |
| 11 | * |
| 12 | *------------------------------------------------------------------------- |
| 13 | */ |
| 14 | #ifndef INDEXFSM_H_ |
| 15 | #define INDEXFSM_H_ |
| 16 | |
| 17 | #include "storage/block.h" |
| 18 | #include "utils/relcache.h" |
| 19 | |
| 20 | extern BlockNumber GetFreeIndexPage(Relation rel); |
| 21 | extern void RecordFreeIndexPage(Relation rel, BlockNumber page); |
| 22 | extern void RecordUsedIndexPage(Relation rel, BlockNumber page); |
| 23 | |
| 24 | extern void IndexFreeSpaceMapVacuum(Relation rel); |
| 25 | |
| 26 | #endif /* INDEXFSM_H_ */ |
| 27 | |